Moments - Year 7

Unit of force.

• Meter
• Centimeter
• Newton

A seesaw is unbalanced with two people of different masses sitting equal distances from the center. Which of the following will result in equilibrium?

• The larger person moving further away from the center.
• Moving the smaller person closer to the center.
• Moving the smaller person further from the center.
• Making the larger person do nothing.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

The easiest way to open a heavy door  is by applying the force

• Near the hinges
• In the middle of the door
• At the edge of the door far from the hinges
• At the top of the door

Moment can be calculated using the equation:

• M = F × d

• M = F / d

• M = F² × d

• M = F / d²

What are the units for Moment?

• N

• kgm/s

• kN

• Nm

The moment of a force causes an object to

• move forward

• move backward

• stop moving

• turn about a fixed point

Equilibrium means _________

• being at rest
• traveling at light speed
• balance
• pushing or pulling

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Where is the pivot on a crowbar?

• Point A

• Point B

What TWO things does the

size of a moment depend on?

• the force applied

• the distance from the pivot

• the length of the object

How could you increase the turning effect of a spanner?

Select TWO answers.

• hold the spanner closer to the pivot

• hold the spanner further away from the pivot

• use less force to turn the spanner

• use more force to turn the spanner